# maths

posted by
**remyaravindran**
.

in an A.p 6th term is half the 4th term and the 3rd term is 15.How many terms are needed to give a sum that 16 equal to 66.

posted by
**remyaravindran**
.

in an A.p 6th term is half the 4th term and the 3rd term is 15.How many terms are needed to give a sum that 16 equal to 66.